loongson/pypi: links for collective-pdftransform

loongson/mirror collective.pdftransform-0.5.tar.gz
loongson/mirror collective.pdftransform-0.4.zip
loongson/mirror collective.pdftransform-0.3.zip
loongson/mirror collective.pdftransform-0.2.zip
loongson/mirror collective.pdftransform-0.1.tar.gz